GB/T 30843.1-2024 Chinese PDF (GB /T30843.1-2024) GB/T 3091-2025 English versions: GB 20827-2025

English versions: GB 20827-2025

English versions: GB/T 18414-2025

English versions: GB/T 40064-2024

4-2024_Chinese: Ships and marine technology - Protective coatings and inspection method - Part 4: Automated measuring method for the total amount of water-soluble salts (Chinese: 船舶与海上技术 保护涂层和检查方法 第4部分：水溶性盐总含量的自动化测量方法)

GB/T 30843.1-2024 Chinese PDF (GB /T30843.1-2024) GB/T 3091-2025 English versions: GB 20827-2025GB T 30843. 1 2024_Chinese: Variable frequency drive above 1 kV and not exceeding 35 kV Part 1: Technical conditions (Chinese: 1 kV35 kV 1) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 30843. 1 2024